... 1500W with DN 20, 25, 32, 40, 50, 63 ). The product has the advantages of precise temperature control, high reliability, good safety ... and unique non-stick plastic mold technology, convenient operation. the conditions: the altitude does not exceed 1000 meters Humidity: -20°C ... Time(s)2051432571633282044012214501822.556324246753026890403281105038.510 Copper Mould PPR Plastic Pipe Welding Machine